General | Input Channels | One | Input Types | Digital (S3L) | Serial ASCII, TTL level, 9600 bps | | Frequency | Range | 0.5 to 1500 Hz | | Accuracy | 0.5% of reading | Measurement Types | Flow, pH/ORP, Conductivity/Resistivity, Salinity, Pressure, Temperature, Level, Dissolved Oxygen, Batch or user-defined (via 8058) | Enclosure and Display | Case Material | PBT | Window | Shatter-resistant glass | Keypad | 4 buttons, injection-molded silicone rubber seal | Display | Backlit, 7 and 14-segment | Update Rate | 1 s | LCD Contrast | 5 settings | Indicators | “Dial-type” digital bar graph. LEDs for Open Collector, Relays and Warning Indicator | Enclosure Size | ¼ DIN | Mounting | 9900-1P | | | Panel | ¼ DIN, ribbed on four sides for panel mounting clip inside panel, silicon gasket included. Optional rear enclosure with flat cover available for waterproof protection when installed inside a panel. | Wall | Options include 9900-1P installed in pre-wired NEMA enclosure or inside of rear enclosure with hinged cover. | Pipe | Optional Rear Enclosure with hinged cover and 9900-1P for pipe mount installation | Mounting | 9900-1 | | Field (Integral) | Options include yellow universal or integral kits for installation with sensor | Display Ranges | pH | 0.00 to 15.00 pH | pH Temperature | -39.99 °C to 149.99 °C | -40 °F to 302 °F | ORP | -1999 to +1999 mV | Flow Rate | -9999 to 99999 units per second, minute, hour or day | Totalizer | 0.00 to 99999999 units | Conductivity | 0.0000 to 99999 μS, mS, PPM and PPB (TDS), kΩ, MΩ | Conductivity Temperature | -100 °C to 250 °C | –148 °F to 350 °F (application and sensor dependent) | Temperature | -99 °C to 350 °C | –99 °F to 350 °F | Pressure | -40 to 1000 psi | Level | -9999 to 99999 m, cm, ft, in, % | Volume | 0 to 99999 cm3, m3, in3, ft3, gal, L, lb, kg, % | Salinity | 0 to 99.97 PPT | Dissolved Oxygen | PPM 0-50, % SAT 0-200, 0 to 999.9 TORR | Dissolved Oxygen Temperature | -99 °C to 350 °C | –99 °F to 350 °F | Environmental | Ambient Operating Temperature |
Backlit LCD | -10 °C to 70 °C | 14 °F to 158 °F | Storage Temperature | -15 °C to 70 °C | 5 °F to 158 °F | Relative Humidity | 0 to 100% condensing for field mount; 0 to 95% non-condensing for panel mount | Maximum Altitude | 4,000 m (13,123 ft) | Enclosure Rating | NEMA 4X/IP65 (front face only on panel mount); field mount is 100% NEMA 4X/IP65 | Electrical Requirements | Power to Sensors |
Voltage | +4.9 to 5.5 VDC @ 25 °C, regulated | Current | 1.5 mA max in loop power mode (up to 2.0 mA with 24 V @ 300 Ω max. loop impedance); 20 mA max when using DC power | Short Circuit | Protected | Isolation | Low voltage (< 48V AC/DC) to loop with DC power connected | No isolation when using loop power only |
Terminal Blocks | Pluggable screw type | 14 AWG max wire gauge | Input Power | DC | 10.8 to 35.2 VDC, regulated | 9900 without Relay Module | 200 mA @ 10.8 VDC to 35.2 VDC | 9900 with Relay Module | 300 mA @ 10.8 VDC to 35.2 VDC | Overvoltage Protection | 48 Volt Transient Protection Device | Current limiting for circuit protection | Reverse-Voltage Protection | Loop Power | No DC Power Input |
| Max. Loop Impedance | 50 Ω @ 12 V | 325 Ω @ 18 V | 600 Ω @ 24 V | With DC Power Input or with 2nd loop, all the time |
| Max. Loop Impedance | 250 Ω @ 12 V | 500 Ω @ 18 V | 750 Ω @ 24 V | Relay Specifications | | Dry-Contact Relays (2) | Open Collector (1) | Type | SPDT | N/A | Form | C | N/A | Max. Current Rating | 5 A resistive | 50 mA DC | Max. Voltage Rating | 30 VDC or 250 VAC | 30 VDC | Hysteresis | Adjustable (absolute in engineering units) (EUs) | Latch | Reset in test screen only | Delay | 9999.9 seconds (max.) | Test Mode | Set On or Off | Cycle Time | 99999 seconds (max.) | Maximum Pulse Rate | 300 pulses/minute | Proportional Pulse | 400 pulses/minute | Volumetric Pulse Width | 0.1 to 3200 s | Pulse Width Modulation | 0.1 to 320 s | Input Types | Digital (S3L) or AC frequency | 4 to 20 mA input via the 8058-1 | pH/ORP input via the Digital (S3L) output from the 2750/2751 pH/ORP Sensor Electronics | Raw Conductivity/Resistivity input directly from Signet Conductivity/Resistivity electrodes via Direct Conductivity/Resistivity Module or via 2850 | Input Specifications | Digital (S3L) | Serial ACSII, TTL level, 9600 bps | Frequency Input |
| Sensitivity | 80 mV @ 5 Hz, gradually increasing with frequency | Span | 0.5 Hz to 1500 Hz @ TTL level input | Accuracy | ± 0.5% or reading max error @ 25 °C | Resolution | 1 μS | Repeatability | ± 0.2% of reading |
Power Supply | | Rejection | ±1 μA per volt | Short Circuit | Protected | Update Rate | (1/frequency) + 150 ms | Output Specifications | Current Output - One (1); Two (2) with 4 to 20 mA Output Module |
| Current Loop Output Standard | ANSI-ISA 50.00.01 Class H | Current Output | 4 to 20 mA, isolated, fully adjustable and reversible | Span | 3.8 to 21 mA | Zero | 4.0 mA factory set; user programmable from 3.8 to 5.0 mA | Full Scale | 20.00 mA factory set; user programmable from 19.0 to 21.0 mA | Accuracy | ±32 μA max. error @ 25 °C @ 24 VDC | Resolution | 6 μA or better | Temperature Drift | ±1 μA per °C | Power Supply Rejection | ±1 μA per V | Isolation | Low voltage (< 48 VAC/DC) | Voltage | 12 to 32 VDC ±10% | Max. Impedance (with DC power input) | 250 Ω @ 12 VDC | 500 Ω @ 18 VDC | 750 Ω @ 24 VDC | Max. Impedance (no DC power input) | 50 Ω @ 12 VDC | 325 Ω @ 18 VDC | 600 Ω @ 24 VDC | Update Rate | 150 mS nominal | Short circuit and reverse polarity protected | Adjustable Span | Reversible | Error Condition | Selectable error condition 3.6 or 22 mA | Actual update rate determined by sensor type | Test Mode | Increment to desired current (range 3.8 to 21.00 mA) | Shipping Weights | Base Unit | 0.63 kg | 1.38 lb | H COMM Module | 0.16 kg | 0.35 lb | Conductivity Module | 0.16 kg | 0.35 lb | Relay Module | 0.19 kg | 0.41 lb | Batch Module | 0.16 kg | 0.35 lb | 4 to 20 Output Module | 0.16 kg | 0.35 lb | Rear Enclosure, Hinged cover | 0.30 kg | 0.65 lb | Rear Enclosure, Flat cover | 0.28 kg | 0.60 lb | Standards and Approvals | | CE, UL, CUL, FCC | RoHS Compliant, China RoHS | Lloyd’s Register | Manufactured under ISO 9001 and ISO 14001 for Environmental Management and OHSAS 18001 for Occupational Health and Safety |
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